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| unit Unit1;
interface
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants,
System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.ExtCtrls,
Datasnap.DBClient, Vcl.Grids,
Vcl.DBGrids, Vcl.Imaging.jpeg, Vcl.ComCtrls, Data.DB;
type
PNetResourceArray = ^TNetResourceArray;
TNetResourceArray = array [0 .. 100] of TNetResource;
TForm1 = class(TForm)
Button1: TButton;
ListBox1: TListBox;
procedure Button1Click(Sender: TObject);
private
public
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
function CreateNetResourceList(ResourceType: DWord; NetResource: PNetResource;
out Entries: DWord; out List: PNetResourceArray): Boolean;
var
EnumHandle: THandle;
BufSize: DWord;
Res: DWord;
begin
Result := False;
List := Nil;
Entries := 0;
if WNetOpenEnum(RESOURCE_GLOBALNET, ResourceType, 0, NetResource, EnumHandle)
= NO_ERROR then
begin
try
BufSize := $4000; // 16 kByte
GetMem(List, BufSize);
try
repeat
Entries := DWord(-1);
FillChar(List^, BufSize, 0);
Res := WNetEnumResource(EnumHandle, Entries, List, BufSize);
if Res = ERROR_MORE_DATA then
begin
ReAllocMem(List, BufSize);
end;
until Res <> ERROR_MORE_DATA;
Result := Res = NO_ERROR;
if not Result then
begin
FreeMem(List);
List := Nil;
Entries := 0;
end;
except
FreeMem(List);
raise;
end;
finally
WNetCloseEnum(EnumHandle);
end;
end;
end;
procedure ScanNetworkResources(ResourceType, DisplayType: DWord;
List: TStrings);
procedure ScanLevel(NetResource: PNetResource);
var
Entries: DWord;
NetResourceList: PNetResourceArray;
i: Integer;
begin
if CreateNetResourceList(ResourceType, NetResource, Entries, NetResourceList)
then
try
for i := 0 to Integer(Entries) - 1 do
begin
if (DisplayType = RESOURCEDISPLAYTYPE_GENERIC) or
(NetResourceList[i].dwDisplayType = DisplayType) then
begin
List.AddObject(NetResourceList[i].lpRemoteName,
Pointer(NetResourceList[i].dwDisplayType));
end;
if (NetResourceList[i].dwUsage and RESOURCEUSAGE_CONTAINER) <> 0 then
ScanLevel(@NetResourceList[i]);
end;
finally
FreeMem(NetResourceList);
end;
end;
begin
ScanLevel(Nil);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
ScanNetworkResources(RESOURCETYPE_DISK, RESOURCEDISPLAYTYPE_SERVER,
ListBox1.Items);
end;
end. |